The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 8, 2026

Pratt & Whitney R1340 series

1,230 aircraft on the U.S. register carry a Pratt & Whitney R1340 series engine, rated at about 600 horsepower. The North American AT-6 Texan is the model most often fitted with it (183 aircraft). The aircraft carrying it were built between 1933 and 2022.

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Pratt & Whitney R1340 series. FAA spelling: R1340 SERIES.

When the aircraft were built by decade

By decade built, as a table
aircraft
19205
193016
1940310
1950181
196050
1970297
198091
199054
20004
20101
20201

What the FAA has certified, ordered and been told about the Pratt & Whitney R1340 series the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 58 failure reports with the FAA since 1995, 15 of them in the last ten years.

Failure reports 58 since · what operators and shops told the FAA

0247995000612118
Failure reports by year, as a table
reports
952
963
975
981
991
001
013
025
043
059
064
073
083
105
114
121
131
142
151
181

Parts most often reported as the reports name them

Cylinder6Engine4Cylinder Head3Exhaust Valve3Nut3Attach Angle2Roller2Strut2Angle1Battery1
Parts most reported, as a table
reports
Cylinder6
Engine4
Cylinder Head3
Exhaust Valve3
Nut3
Attach Angle2
Roller2
Strut2
Angle1
Battery1

Latest reports

2018-08-02Throttle Arm: worn
2015-05-19Cam: worn
2014-08-24Cylinder: fractured
2014-07-28Engine: power loss
2013-04-24Bearing: failed

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Fitted to
Where they are
Biggest operators
Airworthiness

The whole map of how records connect · these connections as data: /graph/engine/pratt-whitney-r1340-series.json.

Aircraft newest certificates first · 1,230

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N7228 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
Washington
Restricted 2008-07-15 ValidFAA registration status code V: Valid registration. All codes
N715AW North American
SNJ-5
Fixed-wing, single engine Historic Aeroplane Works INC
Huntington, Indiana
Standard 2008-06-19 ValidFAA registration status code V: Valid registration. All codes
N3629D Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Wallace Aviation INC
Wallace, Nebraska
Restricted 2008-06-12 ValidFAA registration status code V: Valid registration. All codes
N8444K Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Individual owner
Illinois
Restricted 2008-05-30 ValidFAA registration status code V: Valid registration. All codes
N273MD Dickenson Bruce
DICKENSONHOWARDDGA21
Fixed-wing, single engine Co-owned owner
California
Experimental 2008-03-26 ValidFAA registration status code V: Valid registration. All codes
N78RN North American/Victoria Mnt Lt
AT-6A
Fixed-wing, single engine Co-owned owner
Texas
Experimental 2008-03-25 ValidFAA registration status code V: Valid registration. All codes
N62724 North American
SNJ-5
Fixed-wing, single engine Gaipa Aircraft INC
Saint Joseph, Michigan
Standard 2008-03-05 ValidFAA registration status code V: Valid registration. All codes
N3770D North American
AT-6D
Fixed-wing, single engine Individual owner
Iowa
Standard 2008-02-09 ValidFAA registration status code V: Valid registration. All codes
N424KT Dehavilland
DHC-3
Fixed-wing, single engine Rustair INC
Anchorage, Alaska
Standard 2008-01-07 ValidFAA registration status code V: Valid registration. All codes
N3258G North American
AT-6D
Fixed-wing, single engine Dnf LLC
Portage, Michigan
Standard 2007-12-21 ValidFAA registration status code V: Valid registration. All codes
N4996M North American
AT-6D
Fixed-wing, single engine Lutes Flying Service INC
Shipshewana, Indiana
Standard 2007-11-28 ValidFAA registration status code V: Valid registration. All codes
N9560C North American
AT-6C
Fixed-wing, single engine Co-owned owner
Colorado
None on file 2007-11-09 ValidFAA registration status code V: Valid registration. All codes
N8066K Gulfstream-Schweizer A/C Corp
GULFSTREAM AM G-164B
Fixed-wing, single engine Hershey Flying Service INC
David City, Nebraska
Restricted 2007-10-25 ValidFAA registration status code V: Valid registration. All codes
N5500V North American
SNJ-6
Fixed-wing, single engine Individual owner
Colorado
Standard 2007-09-13 ValidFAA registration status code V: Valid registration. All codes
N8984Q Aero Commander
S2R
Fixed-wing, single engine Alexander AG Flying Service INC
Walnut Grove, California
Restricted 2007-08-24 ValidFAA registration status code V: Valid registration. All codes
N23069 Air Tractor Inc
AT-301
Fixed-wing, single engine AG Spray INC
Moorhead, Minnesota
Restricted 2007-07-09 ValidFAA registration status code V: Valid registration. All codes
N7501Q Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Macys Flying Service INC
Tulelake, California
Restricted 2007-06-12 ValidFAA registration status code V: Valid registration. All codes
N578JB North American
AT-6F
Fixed-wing, single engine War Eagles Air Museum
Santa Teresa, New Mexico
Standard 2007-06-11 ValidFAA registration status code V: Valid registration. All codes
N98474 Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine Individual owner
Tennessee
Experimental 2007-05-31 ValidFAA registration status code V: Valid registration. All codes
N5597X Rockwell International
S-2R
Fixed-wing, single engine Johnson Airspray INC
Argyle, Minnesota
Restricted 2007-05-07 ValidFAA registration status code V: Valid registration. All codes
N7038C North American
SNJ-4
Fixed-wing, single engine Monkey Air LLC
Roseville, California
Multiple 2007-04-09 ValidFAA registration status code V: Valid registration. All codes
N2856J Kaman
H-43A
Rotorcraft Classic Rotors Museum
Ramona, California
Restricted 2007-03-29 ValidFAA registration status code V: Valid registration. All codes
N8993 North American
HARVARD II B
Fixed-wing, single engine Co-owned owner
Texas
Standard 2007-03-23 ValidFAA registration status code V: Valid registration. All codes
N8148K Gulfstream-Schweizer A/C Corp
GULFSTREAM AM G-164B
Fixed-wing, single engine Heimgartner Aviation LLC
Juliaetta, Idaho
Restricted 2007-03-22 ValidFAA registration status code V: Valid registration. All codes
N3660C Air Tractor Inc
AT-301
Fixed-wing, single engine Aero Charter Express INC
Bismarck, Illinois
Restricted 2007-02-23 ValidFAA registration status code V: Valid registration. All codes
N7621Z North American
AT-6D
Fixed-wing, single engine Midwest Wild Relics Refuge INC
Saint Charles, Missouri
Standard 2007-02-08 ValidFAA registration status code V: Valid registration. All codes
N1047C North American
SNJ-5
Fixed-wing, single engine Historic Aeroplane Works INC
Huntington, Indiana
Standard 2007-01-31 ValidFAA registration status code V: Valid registration. All codes
N8677H Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2007-01-22 ValidFAA registration status code V: Valid registration. All codes
N6752K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Thayer Agricultural Aviation INC
Grimes, California
Restricted 2007-01-18 ValidFAA registration status code V: Valid registration. All codes
N276RB North American
AT-6D
Fixed-wing, single engine B & B Warbird Aviation INC
Haddon Heights, New Jersey
Standard 2007-01-09 ValidFAA registration status code V: Valid registration. All codes
N5KY Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Cropair Flying Service
Cody, Wyoming
Restricted 2006-11-14 ValidFAA registration status code V: Valid registration. All codes
N135VA Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Wallace Aviation INC
Wallace, Nebraska
Restricted 2006-11-08 ValidFAA registration status code V: Valid registration. All codes
N3264G North American
SNJ-5
Fixed-wing, single engine Individual owner
Texas
Standard 2006-09-13 ValidFAA registration status code V: Valid registration. All codes
N5687X Ayres Corporation
S-2R
Fixed-wing, single engine Morris Equipment LLC
Yuma, Arizona
Restricted 2006-08-23 ValidFAA registration status code V: Valid registration. All codes
N5696X Rockwell International
S-2R
Fixed-wing, single engine Morris Equipment LLC
Yuma, Arizona
Restricted 2006-08-23 ValidFAA registration status code V: Valid registration. All codes
N7211C North American
AT-6D
Fixed-wing, single engine Murphy Airport INC
Amsterdam, New York
Standard 2006-08-22 ValidFAA registration status code V: Valid registration. All codes
N502 North American
SNJ-5
Fixed-wing, single engine Fightertown LLC
Colonial Heights, Virginia
None on file 2006-08-21 ValidFAA registration status code V: Valid registration. All codes
N888JZ North American
SNJ-5
Fixed-wing, single engine T6 Race Team LLC
Wilmington, Delaware
Standard 2006-08-15 ValidFAA registration status code V: Valid registration. All codes
N13FY North American
AT-6
Fixed-wing, single engine Eastern Stearman INC Trustee
Leesburg, Virginia
Standard 2006-07-10 ValidFAA registration status code V: Valid registration. All codes
N2831D North American
T-6G
Fixed-wing, single engine Bowlin & Associates INC
Clayton, Georgia
Standard 2006-06-27 ValidFAA registration status code V: Valid registration. All codes
N5551X Aero Commander
S2R
Fixed-wing, single engine Johnson Airspray In
Argyle, Minnesota
Restricted 2006-06-21 ValidFAA registration status code V: Valid registration. All codes
N7364 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Hershey Flying Service INC
David City, Nebraska
Restricted 2006-06-21 ValidFAA registration status code V: Valid registration. All codes
N6674K Grumman Acft Eng Cor-Schweizer
G-164C
Fixed-wing, single engine Richter Aviation INC
Maxwell, California
Restricted 2006-06-14 ValidFAA registration status code V: Valid registration. All codes
N8766H Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Hershey Flying Service INC
David City, Nebraska
Restricted 2006-05-26 ValidFAA registration status code V: Valid registration. All codes
N4748C North American
SNJ-5
Fixed-wing, single engine Individual owner
California
Standard 2006-05-03 ValidFAA registration status code V: Valid registration. All codes
N584M North American
T-6G
Fixed-wing, single engine Warbird Heritage Foundation INC
Waukegan, Illinois
Standard 2006-04-28 ValidFAA registration status code V: Valid registration. All codes
N7930 Grumman
G-164A
Fixed-wing, single engine Individual owner
Illinois
Restricted 2006-04-17 ValidFAA registration status code V: Valid registration. All codes
N5730X Aero Commander
S2R
Fixed-wing, single engine Individual owner
Maine
Restricted 2006-03-28 ValidFAA registration status code V: Valid registration. All codes
N3375G North American
SNJ-5
Fixed-wing, single engine Planes of Fame Air Museum
Chino, California
Standard 2006-03-06 ValidFAA registration status code V: Valid registration. All codes
N7771C North American
T-6G
Fixed-wing, single engine T-6-Lot
Frankfort, Illinois
Standard 2005-11-07 ValidFAA registration status code V: Valid registration. All codes
N169D North American
SNJ-5
Fixed-wing, single engine Individual owner
Georgia
Standard 2005-09-29 ValidFAA registration status code V: Valid registration. All codes
N4219X Rockwell International
S-2R
Fixed-wing, single engine West Valley Aviation INC
Five Points, California
Restricted 2005-09-22 ValidFAA registration status code V: Valid registration. All codes
N8484V Rockwell International
S-2R
Fixed-wing, single engine West Valley Aviation INC
Five Points, California
Restricted 2005-09-22 ValidFAA registration status code V: Valid registration. All codes
N8810Q Aero Commander
S2R
Fixed-wing, single engine West Valley Aviation INC
Five Points, California
Restricted 2005-09-22 ValidFAA registration status code V: Valid registration. All codes
N89013 North American
SNJ-5
Fixed-wing, single engine Jeb Snj5 LLC
Philadelphia, Pennsylvania
Standard 2005-08-18 ValidFAA registration status code V: Valid registration. All codes
N887AT Aero Commander
S2R
Fixed-wing, single engine Agri-Air INC
Chamberlain, South Dakota
Restricted 2005-07-12 ValidFAA registration status code V: Valid registration. All codes
N6442D North American
SNJ-6
Fixed-wing, single engine Bga-Viation INC
Bennettsville, South Carolina
Standard 2005-06-08 ValidFAA registration status code V: Valid registration. All codes
N8427V Rockwell International
S-2R
Fixed-wing, single engine Individual owner
Texas
Restricted 2005-05-12 ValidFAA registration status code V: Valid registration. All codes
N153NA North American
T-6G
Fixed-wing, single engine Individual owner
Arizona
Standard 2005-05-02 ValidFAA registration status code V: Valid registration. All codes
N31615 Air Tractor Inc
AT-301
Fixed-wing, single engine Air Strike Spraying LLC
Las Animas, Colorado
Restricted 2005-04-27 ValidFAA registration status code V: Valid registration. All codes
N9883C North American
T-6G
Fixed-wing, single engine Co-owned owner
Texas
Standard 2005-04-26 ValidFAA registration status code V: Valid registration. All codes
N757JT North American
SNJ-5
Fixed-wing, single engine Individual owner
Wyoming
Standard 2005-04-18 ValidFAA registration status code V: Valid registration. All codes
N8828Q Aero Commander
S2R
Fixed-wing, single engine Co-owned owner
New Mexico
Restricted 2005-04-04 ValidFAA registration status code V: Valid registration. All codes
N8116K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Individual owner
Oregon
Restricted 2005-03-22 ValidFAA registration status code V: Valid registration. All codes
N697DS North American
AT-6C
Fixed-wing, single engine T-6 LLC
Manassas, Virginia
Standard 2005-03-02 ValidFAA registration status code V: Valid registration. All codes
N7061C North American
AT-6C
Fixed-wing, single engine Do Whut INC
Wilmington, Delaware
Standard 2005-02-28 ValidFAA registration status code V: Valid registration. All codes
N766CA North American
SNJ-5C
Fixed-wing, single engine Wright Robert L
Canby, Oregon
Standard 2005-02-08 ValidFAA registration status code V: Valid registration. All codes
N97AW North American
HARVARD MKII
Fixed-wing, single engine Co-owned owner
California
Experimental 2005-01-28 ValidFAA registration status code V: Valid registration. All codes
N3171G North American
AT-6G
Fixed-wing, single engine Individual owner
California
Standard 2005-01-13 ValidFAA registration status code V: Valid registration. All codes
N665RY North American
SNJ-4
Fixed-wing, single engine Co-owned owner
Texas
Standard 2004-12-02 ValidFAA registration status code V: Valid registration. All codes
N29910 North American
AT-6D
Fixed-wing, single engine Individual owner
Texas
Standard 2004-11-03 ValidFAA registration status code V: Valid registration. All codes
N4RC North American
SNJ-6
Fixed-wing, single engine Intoplane Aviation LLC
Alexandria, Virginia
Standard 2004-11-02 ValidFAA registration status code V: Valid registration. All codes
N36 North American
AT-6
Fixed-wing, single engine American Flightscope INC
Wilmington, Delaware
Standard 2004-10-04 ValidFAA registration status code V: Valid registration. All codes
N7090C North American
SNJ-4
Fixed-wing, single engine Individual owner
South Dakota
Restricted 2004-09-20 ValidFAA registration status code V: Valid registration. All codes
N6892K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Hershey Flying Service INC
David City, Nebraska
Restricted 2004-07-14 ValidFAA registration status code V: Valid registration. All codes
N3267G North American
SNJ-5
Fixed-wing, single engine Henley Air Ranch INC
Wilmington, Delaware
Standard 2004-06-16 ValidFAA registration status code V: Valid registration. All codes
N667FA Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Hershey Flying Service INC
David City, Nebraska
Restricted 2004-06-15 ValidFAA registration status code V: Valid registration. All codes
N8807Q Aero Commander
S2R
Fixed-wing, single engine Bluestem Aerial Sprayers LLC
Cushing, Oklahoma
Restricted 2004-06-07 ValidFAA registration status code V: Valid registration. All codes
N3300D Ayres Corporation
S2R-R1340
Fixed-wing, single engine Coney AG Service INC
Cordele, Georgia
Restricted 2004-05-25 ValidFAA registration status code V: Valid registration. All codes
N4007H Ayres Corporation
S-2R
Fixed-wing, single engine Individual owner
Texas
Restricted 2004-05-18 ValidFAA registration status code V: Valid registration. All codes
N5579X Aero Commander
S2R
Fixed-wing, single engine Pacific AG Services INC
Firebaugh, California
Restricted 2004-05-17 ValidFAA registration status code V: Valid registration. All codes
N2269T North American-Medore
SNJ-4
Fixed-wing, single engine Individual owner
California
Standard 2004-04-01 ValidFAA registration status code V: Valid registration. All codes
N1697S Snow
600-S2C
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2004-03-23 ValidFAA registration status code V: Valid registration. All codes
N451WA North American
SNJ-6
Fixed-wing, single engine Warbird Adventures INC
Ocoee, Florida
Standard 2004-01-14 ValidFAA registration status code V: Valid registration. All codes
N7034C North American
SNJ-4
Fixed-wing, single engine Lewis Flying & Maintenance Service INC
Morse, Louisiana
Standard 2003-12-08 ValidFAA registration status code V: Valid registration. All codes
N2805G North American
T-6G
Fixed-wing, single engine Co-owned owner
New York
Standard 2003-09-10 ValidFAA registration status code V: Valid registration. All codes
N91264 Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine Individual owner
California
Experimental 2003-07-16 ValidFAA registration status code V: Valid registration. All codes
N7462C North American
AT-6
Fixed-wing, single engine 5Gus INC
Tallulah, Louisiana
Standard 2003-05-27 ValidFAA registration status code V: Valid registration. All codes
N64KP North American
AT-6D
Fixed-wing, single engine Individual owner
California
Standard 2003-05-19 ValidFAA registration status code V: Valid registration. All codes
N7649S North American/Victoria Mnt Lt
AT-6A
Fixed-wing, single engine Individual owner
Connecticut
Standard 2003-03-11 ValidFAA registration status code V: Valid registration. All codes
N93356 Dehavilland
DHC-3
Fixed-wing, single engine Red Leasing LLC
Juneau, Alaska
Standard 2003-03-04 ValidFAA registration status code V: Valid registration. All codes
N63354 Dehavilland
DHC-3
Fixed-wing, single engine Red Leasing LLC
Juneau, Alaska
Standard 2003-02-26 ValidFAA registration status code V: Valid registration. All codes
N3628Z Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Mcclung Aerial Spraying
Big Springs, Nebraska
Restricted 2003-02-14 ValidFAA registration status code V: Valid registration. All codes
N8815Q Aero Commander
S2R
Fixed-wing, single engine Co-owned owner
New Mexico
Restricted 2003-02-13 ValidFAA registration status code V: Valid registration. All codes
N7016X Grumman
G-164B
Fixed-wing, single engine Co-owned owner
Oregon
Restricted 2003-02-10 ValidFAA registration status code V: Valid registration. All codes
N763V North American
SNJ-4
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2002-12-13 ValidFAA registration status code V: Valid registration. All codes
N706F North American
AT-6F
Fixed-wing, single engine Perigee Investments LLC
Burlington, Washington
Standard 2002-12-11 ValidFAA registration status code V: Valid registration. All codes
N9156C Air Tractor Inc
AT-401
Fixed-wing, single engine Co-owned owner
Montana
Restricted 2002-11-14 ValidFAA registration status code V: Valid registration. All codes
N60833 North American
SNJ-2
Fixed-wing, single engine Individual owner
California
Special flight permit 2002-11-05 ValidFAA registration status code V: Valid registration. All codes
N4QU North American
SNJ-5
Fixed-wing, single engine Individual owner
Florida
Standard 2002-10-16 ValidFAA registration status code V: Valid registration. All codes
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Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.